package com.atguigu.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.ProductConstant;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.common.to.es.SkuHasStockVo;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.product.dao.SpuInfoDao;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.feign.ElasticSearchFeignService;
import com.atguigu.gulimall.product.feign.WareFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

@Slf4j
@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {

    @Autowired
    private SpuInfoService spuInfoService;
    @Autowired
    private SpuInfoDescService spuInfoDescService;
    @Autowired
    private SpuImagesService spuImagesService;
    @Autowired
    private AttrService attrService;
    @Autowired
    private ProductAttrValueService productAttrValueService;
    @Autowired
    private CouponFeignService couponFeignService;

    @Autowired
    private SkuInfoService skuInfoService;
    @Autowired
    private SkuImagesService skuImagesService;
    @Autowired
    private SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    private BrandService brandService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private WareFeignService wareFeignService;
    @Autowired
    private ElasticSearchFeignService elasticSearchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    /**
     * //TODO 高级部分完善
     *
     * @param vo
     */
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {
        //1、保存spu基本信息 pms_spu_info
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo, infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        spuInfoService.saveBaseSpuInfo(infoEntity);

        //2、保存Spu的描述图片 pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",", decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);

        //3、保存spu的图片集 pms_spu_images
        List<String> images = vo.getImages();
        spuImagesService.saveImages(infoEntity.getId(), images);

        //4、保存spu的规格参数;pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> valueEntities = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity id = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(id.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());

            return valueEntity;
        }).collect(Collectors.toList());
        productAttrValueService.saveProductAttr(valueEntities);

        //5、保存spu的积分信息；gulimall_sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds, spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        couponFeignService.save(spuBoundTo);

        //5、保存当前spu对应的所有sku信息；
        List<Skus> skus = vo.getSkus();
        if (skus != null && skus.size() > 0) {
            skus.forEach(item -> {
                String defaultImag = "";
                List<Images> imagesList = item.getImages();
                if (imagesList != null && imagesList.size() > 0) {
                    for (Images imag : imagesList) {
                        if (imag.getDefaultImg() == 1) {
                            defaultImag = imag.getImgUrl();
                        }
                    }
                }
                //5.1）、sku的基本信息；pms_sku_info
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item, skuInfoEntity);
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImag);
                skuInfoService.save(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();

                //5.2）、sku的图片信息；pms_sku_image
                List<SkuImagesEntity> skuImagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity -> {
                    //返回true就是需要，false就是剔除
                    return StringUtils.isNotEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                skuImagesService.saveBatch(skuImagesEntities);

                //5.3）、sku的销售属性信息：pms_sku_sale_attr_value
                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);

                    return attrValueEntity;
                }).collect(Collectors.toList());
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                // //5.4）、sku的优惠、满减等信息；gulimall_sms->sms_sku_ladder\sms_sku_full_reduction\sms_member_price
                SkuReductionTo reductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item, reductionTo);
                reductionTo.setSkuId(skuId);
                if (reductionTo.getFullCount() > 0 || reductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1) {
                    couponFeignService.saveSkuReduction(reductionTo);
                }

            });
        }
    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {
        this.baseMapper.insert(spuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> wrapper = new QueryWrapper<>();
        /* *
         * status: 2
         * key:
         * brandId: 9
         * catelogId: 225*/
        String key = (String) params.get("key");
        if (StringUtils.isNotEmpty(key)) {
            wrapper.and(w -> {
                w.eq("id", key).or().like("spu_name", key);
            });
        }
        String status = (String) params.get("status");
        if (StringUtils.isNotEmpty(status)) {
            wrapper.eq("publish_status", status);
        }
        String brandId = (String) params.get("brandId");
        if (StringUtils.isNotEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("brand_id", brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (StringUtils.isNotEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            wrapper.eq("catalog_id", catelogId);
        }


        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    /**
     * 商品上架
     *
     * @param spuId
     */
    @Override
    public void up(Long spuId) {
        //1.查询出当前spuid对应的所有的sku信息，品牌的名字
        List<SkuInfoEntity> skus = skuInfoService.getSkuBySpuId(spuId);
        List<Long> skuIds = skus.stream().map(sku -> {
            return sku.getSkuId();
        }).collect(Collectors.toList());
        //查询当前sku的所有可用来检索的规格属性
        List<ProductAttrValueEntity> baseAttrs = productAttrValueService.baseAttrlistforspu(spuId);
        List<Long> attrIds = baseAttrs.stream().map(attr -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());
        //根据attrs查找所有的属性(检索search_type = 1 )
        List<Long> searchAttrIds = attrService.selectSearchAttrs(attrIds);

        Set<Long> idSets = new HashSet<>(searchAttrIds);
        List<SkuEsModel.Attr> attrList = baseAttrs.stream().filter(item -> {
            return idSets.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attr attr = new SkuEsModel.Attr();
            BeanUtils.copyProperties(item, attr);
            return attr;
        }).collect(Collectors.toList());

        //发送远程调用，查询ware的库存
        Map<Long, Boolean> stockMap = null;
        try {
            R skusHasStock = wareFeignService.getSkusHasStock(skuIds);
            TypeReference<List<SkuHasStockVo>> typeReference = new TypeReference<>() {
            };
            List<SkuHasStockVo> skuHasStockVos = skusHasStock.getData(typeReference);
            stockMap = skuHasStockVos.stream().collect(Collectors.toMap(item -> item.getSkuId(), SkuHasStockVo::getHasStock));
        } catch (Exception e) {
            log.error("远程调用ware出错{}", e);
        }

        //2.封装每个skus的信息
        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> collect = skus.stream().map(sku -> {
            SkuEsModel esModel = new SkuEsModel();
            BeanUtils.copyProperties(sku, esModel);
            //skuprice,skuimg
            esModel.setSkuPrice(sku.getPrice());
            esModel.setBrandImg(sku.getSkuDefaultImg());

            //hasStock
            //查询远程ware，是否有库存
            if (finalStockMap == null) {
                esModel.setHasStock(true);
            } else {
                esModel.setHasStock(finalStockMap.get(sku.getSkuId()));
            }

            //hasScore热度评分
            esModel.setHotScore(0L);

            //查询品牌和分类的名字
            BrandEntity brandEntity = brandService.getById(esModel.getBrandId());
            esModel.setBrandName(brandEntity.getName());
            esModel.setBrandImg(brandEntity.getLogo());

            CategoryEntity categoryEntity = categoryService.getById(esModel.getCatalogId());
            esModel.setCatalogName(categoryEntity.getName());

            esModel.setAttrs(attrList);
            return esModel;
        }).collect(Collectors.toList());
        //将数据发送给es保存
        R r = elasticSearchFeignService.productStatusUp(collect);
        if (r.getCode() == 0) {
            baseMapper.upSpuStatus(spuId, ProductConstant.ProductStatusEnum.SPU_UP.getCode());
        } else {
            log.error("商品远程es保存失败");
        }

    }

}